Yams — Yield in Portugal
Portugal: Yams — Yield was 17,138 kg/ha in 2017. ▲ Rising
Yams — Yield in Portugal, 1961–2017
Source: Food and Agriculture Organization of the United Nations. Measured in kg/ha.
Analysis
Portugal recorded 17,138 kg/ha for yams — yield in 2017.
Compared with earlier readings it is up 0.5% on the previous year and up 3.5% over ten years.
Over the whole period, yams — yield in Portugal peaked at 17,364 kg/ha in 2015 and was at its lowest, 5,675 kg/ha, in 1989.
That places Portugal 10th out of 61 countries with data for 2017, putting it in the top quarter.
The long-run direction has been consistently rising across the 57 years of available data.
Yams — Yield in Portugal, year by year
| Year | kg/ha | Change |
|---|---|---|
| 1961 | 7,895 kg/ha | — |
| 1962 | 7,895 kg/ha | +0.0% |
| 1963 | 7,895 kg/ha | +0.0% |
| 1964 | 8,095 kg/ha | +2.5% |
| 1965 | 8,000 kg/ha | -1.2% |
| 1966 | 7,990 kg/ha | -0.1% |
| 1967 | 7,987 kg/ha | -0.0% |
| 1968 | 7,958 kg/ha | -0.4% |
| 1969 | 8,012 kg/ha | +0.7% |
| 1970 | 7,951 kg/ha | -0.8% |
| 1971 | 8,048 kg/ha | +1.2% |
| 1972 | 7,983 kg/ha | -0.8% |
| 1973 | 8,035 kg/ha | +0.7% |
| 1974 | 7,993 kg/ha | -0.5% |
| 1975 | 8,006 kg/ha | +0.2% |
| 1976 | 7,997 kg/ha | -0.1% |
| 1977 | 10,762 kg/ha | +34.6% |
| 1978 | 10,142 kg/ha | -5.8% |
| 1979 | 10,127 kg/ha | -0.1% |
| 1980 | 11,630 kg/ha | +14.8% |
| 1981 | 10,596 kg/ha | -8.9% |
| 1982 | 11,852 kg/ha | +11.8% |
| 1983 | 12,967 kg/ha | +9.4% |
| 1984 | 10,500 kg/ha | -19.0% |
| 1985 | 11,048 kg/ha | +5.2% |
| 1986 | 11,300 kg/ha | +2.3% |
| 1987 | 8,276 kg/ha | -26.8% |
| 1988 | 6,808 kg/ha | -17.7% |
| 1989 | 5,675 kg/ha | -16.7% |
| 1990 | 10,482 kg/ha | +84.7% |
| 1991 | 7,702 kg/ha | -26.5% |
| 1992 | 8,146 kg/ha | +5.8% |
| 1993 | 10,204 kg/ha | +25.3% |
| 1994 | 7,440 kg/ha | -27.1% |
| 1995 | 10,814 kg/ha | +45.3% |
| 1996 | 9,096 kg/ha | -15.9% |
| 1997 | 16,726 kg/ha | +83.9% |
| 1998 | 16,154 kg/ha | -3.4% |
| 1999 | 14,618 kg/ha | -9.5% |
| 2000 | 15,011 kg/ha | +2.7% |
| 2001 | 14,669 kg/ha | -2.3% |
| 2002 | 15,117 kg/ha | +3.1% |
| 2003 | 15,424 kg/ha | +2.0% |
| 2004 | 15,640 kg/ha | +1.4% |
| 2005 | 15,799 kg/ha | +1.0% |
| 2006 | 16,667 kg/ha | +5.5% |
| 2007 | 16,562 kg/ha | -0.6% |
| 2008 | 16,364 kg/ha | -1.2% |
| 2009 | 16,421 kg/ha | +0.4% |
| 2010 | 16,596 kg/ha | +1.1% |
| 2011 | 16,738 kg/ha | +0.9% |
| 2012 | 16,522 kg/ha | -1.3% |
| 2013 | 16,949 kg/ha | +2.6% |
| 2014 | 17,162 kg/ha | +1.3% |
| 2015 | 17,364 kg/ha | +1.2% |
| 2016 | 17,057 kg/ha | -1.8% |
| 2017 | 17,138 kg/ha | +0.5% |
Portugal compared with similar countries
- Portugal's 17,138 kg/ha is above the median for high income countries, which is 6,526 kg/ha, 2.6× the median. (12 countries reporting)
Biggest year-on-year movements
Years where Yams — Yield in Portugal changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1990 | +84.7% | 5,675 kg/ha | 10,482 kg/ha |
| 1997 | +83.9% | 9,096 kg/ha | 16,726 kg/ha |
| 1995 | +45.3% | 7,440 kg/ha | 10,814 kg/ha |
| 1977 | +34.6% | 7,997 kg/ha | 10,762 kg/ha |
| 1994 | -27.1% | 10,204 kg/ha | 7,440 kg/ha |
| 1987 | -26.8% | 11,300 kg/ha | 8,276 kg/ha |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 7,970 kg/ha | 7,895 kg/ha | 8,095 kg/ha | 9 |
| 1970s | 8,704 kg/ha | 7,951 kg/ha | 10,762 kg/ha | 10 |
| 1980s | 10,065 kg/ha | 5,675 kg/ha | 12,967 kg/ha | 10 |
| 1990s | 11,138 kg/ha | 7,440 kg/ha | 16,726 kg/ha | 10 |
| 2000s | 15,767 kg/ha | 14,669 kg/ha | 16,667 kg/ha | 10 |
| 2010s | 16,941 kg/ha | 16,522 kg/ha | 17,364 kg/ha | 8 |
Countries ranked near Portugal
- 7 Jamaica 17,793 kg/ha compare
- 8 Papua New Guinea 17,544 kg/ha compare
- 8 United Republic of Tanzania 6,195 kg/ha compare
- 9 Democratic Republic of the Congo 4,632 kg/ha compare
- 9 Mali 17,520 kg/ha compare
- 9 Caribbean 10,590 kg/ha compare
- 11 Benin 16,021 kg/ha compare
- 12 Saint Lucia 15,317 kg/ha compare
- 13 Dominica 14,953 kg/ha compare
More agriculture & rural data for Portugal
- Agriculture, forestry, and fishing, value added (current US$), annual 7.28 % change on previous year (2025)
- Agriculture, forestry, and fishing, value added (current US$), per 0.0196 current US$ per US$ of GDP (2025)
- Agriculture, forestry, and fishing, value added (current US$), per 628.85 current US$ per person (2025)
- Rural population, annual growth rate 0.5936 % change on previous year (2025)
- Rural population, per unit of GDP 0 units per US$ of GDP (2025)
- Rural population, per capita 0.385 units per person (2025)
- Share of GDP from agriculture 2.0% (2025)
- Agriculture as a share of GDP vs. GDP per capita 2.0% (2025)
- Agricultural raw materials exports 1.9% (2025)
- Agricultural raw materials imports 1.4% (2025)
Frequently asked questions
- What is yams — yield in Portugal?
- Yams — yield in Portugal was 17,138 kg/ha in 2017, according to Food and Agriculture Organization of the United Nations.
- What is the highest yams — yield recorded in Portugal?
- The highest recorded value was 17,364 kg/ha in 2015.
- What is the lowest yams — yield recorded in Portugal?
- The lowest recorded value was 5,675 kg/ha in 1989.
- How does Portugal rank for yams — yield?
- Portugal ranks 10th out of 61 countries with data for 2017.
- Is yams — yield rising or falling in Portugal?
- Over the last ten years it is up 3.5%. The long-run trend across the full record is rising.
- Where does this Portugal data come from?
- The figures come from Food and Agriculture Organization of the United Nations, published as part of Yams — Yield. Statizoid updates them automatically from the source API.
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About this data
Crop and livestock statistics are recorded for 278 products, covering the following categories: 1) CROPS PRIMARY: Cereals, Citrus Fruit, Fibre Crops, Fruit, Oil Crops, Oil Crops and Cakes in Oil Equivalent, Pulses, Roots and Tubers, Sugar Crops, Treenuts and Vegetables. Data are expressed in terms of area harvested, production quantity and yield. Cereals: Area and production data on cereals relate to crops harvested for dry grain only. Cereal crops harvested for hay or harvested green for food, feed or silage or used for grazing are therefore excluded. 2) CROPS PROCESSED: Beer of barley; Cotton lint; Cottonseed; Margarine, short; Molasses; Oil, coconut (copra); Oil, cottonseed; Oil, groundnut; Oil, linseed; Oil, maize; Oil, olive, virgin; Oil, palm; Oil, palm kernel; Oil, rapeseed; Oil, safflower; Oil, sesame; Oil, soybean; Oil, sunflower; Palm kernels; Sugar Raw Centrifugal; Wine. 3) LIVE ANIMALS: Animals live n.e.s.; Asses; Beehives; Buffaloes; Camelids, other; Camels; Cattle; Chickens; Ducks; Geese and guinea fowls; Goats; Horses; Mules; Pigeons, other birds; Pigs; Rabbits and hares; Rodents, other; Sheep; Turkeys. 4) LIVESTOCK PRIMARY: Beeswax; Eggs (various types); Hides buffalo, fresh; Hides, cattle, fresh; Honey, natural; Meat (ass, bird nes, buffalo, camel, cattle, chicken, duck, game, goat, goose and guinea fowl, horse, mule, Meat nes, meat other camelids, Meat other rodents, pig, rabbit, sheep, turkey); Milk (buffalo, camel, cow, goat, sheep); Offals, nes; Silk-worm cocoons, reelable; Skins (goat, sheep); Snails, not sea; Wool, greasy. 5) LIVESTOCK PROCESSED: Butter (of milk from sheep, goat, buffalo, cow); Cheese (of milk from goat, buffalo, sheep, cow milk); Cheese of skimmed cow milk; Cream fresh; Ghee (cow and buffalo milk); Lard; Milk (dry buttermilk, skimmed condensed, skimmed cow, skimmed dried, skimmed evaporated, whole condensed, whole dried, whole evaporated); Silk raw; Tallow; Whey (condensed and dry); Yoghurt.